/*
 * Copyright 2016-2019 yoara
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package yhao.infra.web.interceptor;


import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * 跨域请求拦截器
 * @author yoara
 */
public class CrossOriginInterceptor extends ZBaseInterceptorAdapter {
	private boolean open;
	public CrossOriginInterceptor(boolean open) {
		this.open = open;
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
		return makeCross(open,request, response);
	}

	public static boolean makeCross(Boolean open,HttpServletRequest request, HttpServletResponse response) {
		if(open){//开启
			String origin=request.getHeader("Origin");

			if(origin!=null){
				response.setHeader("Access-Control-Allow-Origin",origin);
				response.setHeader("Access-Control-Allow-Credentials","true");
			}else{
				response.setHeader("Access-Control-Allow-Origin","*");
			}

			response.setHeader("Access-Control-Allow-Headers", "X-Requested-With,Content-Type");
			response.setHeader("Access-Control-Allow-Methods", "GET,POST,OPTIONS");
		}
		return true;
	}
}
